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diff --git a/APEX_1.4/module/basicios/include/BasicIosActorCPU.h b/APEX_1.4/module/basicios/include/BasicIosActorCPU.h
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+++ b/APEX_1.4/module/basicios/include/BasicIosActorCPU.h
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+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#ifndef __BASIC_IOS_ACTOR_CPU_H__
+#define __BASIC_IOS_ACTOR_CPU_H__
+
+#include "Apex.h"
+
+#if ENABLE_TEST
+#include "BasicIosTestActor.h"
+#endif
+#include "BasicIosActorImpl.h"
+#include "BasicIosAssetImpl.h"
+#include "InstancedObjectSimulationIntl.h"
+#include "BasicIosSceneCPU.h"
+#include "ApexActor.h"
+#include "ApexContext.h"
+#include "ApexFIFO.h"
+#include "ApexRWLockable.h"
+#include "PxTask.h"
+
+namespace nvidia
+{
+namespace apex
+{
+class RenderVolume;
+}
+namespace basicios
+{
+
+#if ENABLE_TEST
+#define BASIC_IOS_ACTOR BasicIosTestActor
+#else
+#define BASIC_IOS_ACTOR BasicIosActorImpl
+#endif
+
+class BasicIosActorCPU : public BASIC_IOS_ACTOR
+{
+public:
+	APEX_RW_LOCKABLE_BOILERPLATE
+
+	BasicIosActorCPU(ResourceList&, BasicIosAssetImpl&, BasicIosScene&, nvidia::apex::IofxAsset&);
+	~BasicIosActorCPU();
+
+	virtual void						submitTasks();
+	virtual void						setTaskDependencies();
+	virtual void						fetchResults();
+
+protected:
+	/* Internal utility functions */
+	void								simulateParticles();
+
+	static const uint32_t HISTOGRAM_BIN_COUNT = 1024;
+	uint32_t						computeHistogram(uint32_t dataCount, float dataMin, float dataMax, uint32_t& bound);
+
+private:
+	/* particle data (output to the IOFX actors, and some state) */
+
+	physx::Array<uint32_t>			mNewIndices;
+
+	class SimulateTask : public PxTask
+	{
+	public:
+		SimulateTask(BasicIosActorCPU& actor) : mActor(actor) {}
+
+		const char* getName() const
+		{
+			return "BasicIosActorCPU::SimulateTask";
+		}
+		void run()
+		{
+			mActor.simulateParticles();
+		}
+
+	protected:
+		BasicIosActorCPU& mActor;
+
+	private:
+		SimulateTask& operator=(const SimulateTask&);
+	};
+	SimulateTask						mSimulateTask;
+
+	nvidia::apex::ApexCpuInplaceStorage	mSimulationStorage;
+
+	friend class BasicIosAssetImpl;
+};
+
+}
+} // namespace nvidia
+
+#endif // __BASIC_IOS_ACTOR_CPU_H__